cb339bf1ca18a03f026a7719c4f32cc51287f8f8de11b91491c8283b4bd777e7

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 15:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cbc1a52063962baf8f812a0aba61c969.pdf
Size

128KB
MD5

cbc1a52063962baf8f812a0aba61c969
SHA1

421238b6d47e3a73b793b0fd13cddc13af5a3016
SHA256

cb339bf1ca18a03f026a7719c4f32cc51287f8f8de11b91491c8283b4bd777e7
SHA512

fe577268f767b58743a1ce289fdd5636869ca4f5cec6c493220b71b6e25b5bde5dd40e7a16c42e56ea33ffb8bbc3042773f89a3a4e8b9a935c4f86928e3ee59c
SSDEEP

3072:1S9xZNqqzz5wykQgtmtVb/QxE89emjQsGfQEZaZH+nSGBcgjSK:CMqz2ykNYYK89tjLGfQE7

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3812	116	AcroRd32.exe	93
PID 116 wrote to memory of 3812	116	AcroRd32.exe	93
PID 116 wrote to memory of 3812	116	AcroRd32.exe	93
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1900	3812	RdrCEF.exe	96
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97
PID 3812 wrote to memory of 1312	3812	RdrCEF.exe	97

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\cbc1a52063962baf8f812a0aba61c969.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3812
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F29600875E00A0C5B0D9356E6B8A2B75 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=041DD90E3939F0C3A760100D4C0291DE --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=041DD90E3939F0C3A760100D4C0291DE --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1312
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=13B75CEB926FFAA58C18ED394F5FB16B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=75413D00898FA97C622AAFFB139E6BA8 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2268
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6C0603617EE572F78C257B4909A29630 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=BA0272F9AA8248C63C3D107A5716F3F9 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=BA0272F9AA8248C63C3D107A5716F3F9 --renderer-client-id=7 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
636f92dae66e85ccb6ce9165671f078a

SHA1
e0485408737f74bea846b1563af408789fa65e69

SHA256
62b78fd6803c14aeb5df59047b2e25c3cd7602a6cdc6ee1d5b7a95d61289e16e

SHA512
a43dca4501918a5e1c1c568e73384a466f6216e73a15f104c7e7b6490577541e1f61c836413489bc4b2f3d12978f73e398947fc68dd8f88d736d53af2c7417b4

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit